Acquire any necessary building permits before.
How to attach a porch to the roof.
How to attach a porch roof to a house step 1.
Check your local building codes before beginning construction.
The ledger typically a 2 by 6 is usually designed to hold one end of the patio roof rafters.
Locating and mounting the ledger is normally a fairly easy process.
Build support columns to help support the weight of your porch roof.
Instead of just having an open porch installing a porch roof will enable the homeowner to be able to use the space during times of rain or intense sun.
Using lag bolts and a screwdriver fasten the base of the posts to the ground.
You can either remove the eave or just keep it.
Based on the size of the new addition that you wish to have to cover the porch area attach a valley board by nailing it down on the existing roof.
The use of valley board to nail down rafter in porch roof addition design.
A house attached patio roof takes advantage of the house s structure by supporting one end of the roof on a ledger mounted horizontally to the house.
The blocking is held low to hide the roof wall intersection and to provide a 1 inch air space at the top for a ventilation channel.
Measure the sightline clearance height from the roof to the house not the other way around.
Adding a roof onto an existing porch can add a lot of character to the front of your home.
If you have a square porch you need.
At the beam end the rafters are fastened with a 10 inch structural screw through the top of the rafter into the beam.
Go to the same height as the existing roof if you want to have a clean look and make the patio cover flush with the existing roof you need to strengthen the fascia and back channel by reinforcing the rafters inside the existing roof.
The ledger should be attached before the foundation is built for a deck patio roof posts and other structure.
Then fix the back channel to the fascia boards underneath the gutter directly.
Attach a sill.
Measure the size of the beam that you are going to use.